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db.c
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/**************************************************************************
* file: db.c , Database module. Part of DIKUMUD *
* Usage: Loading/Saving chars, booting world, resetting etc. *
* Copyright (C) 1990, 1991 - see 'license.doc' for complete information. *
***************************************************************************/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <time.h>
#include "structs.h"
#include "utils.h"
#include "db.h"
#include "comm.h"
#include "handler.h"
#include "limits.h"
#define NEW_ZONE_SYSTEM
/**************************************************************************
* declarations of most of the 'global' variables *
************************************************************************ */
struct room_data *world; /* dyn alloc'ed array of rooms */
int top_of_world = 0; /* ref to the top element of world */
struct obj_data *object_list = 0; /* the global linked list of obj's */
struct char_data *character_list = 0; /* global l-list of chars */
struct zone_data *zone_table; /* table of reset data */
int top_of_zone_table = 0;
struct message_list fight_messages[MAX_MESSAGES]; /* fighting messages */
struct player_index_element *player_table = 0; /* index to player file */
int top_of_p_table = 0; /* ref to top of table */
int top_of_p_file = 0;
char credits[MAX_STRING_LENGTH]; /* the Credits List */
char news[MAX_STRING_LENGTH]; /* the news */
char motd[MAX_STRING_LENGTH]; /* the messages of today */
char help[MAX_STRING_LENGTH]; /* the main help page */
char info[MAX_STRING_LENGTH]; /* the info text */
char wizlist[MAX_STRING_LENGTH]; /* the wizlist */
FILE *mob_f, /* file containing mob prototypes */
*obj_f, /* obj prototypes */
*help_fl; /* file for help texts (HELP <kwd>)*/
struct index_data *mob_index; /* index table for mobile file */
struct index_data *obj_index; /* index table for object file */
struct help_index_element *help_index = 0;
int top_of_mobt = 0; /* top of mobile index table */
int top_of_objt = 0; /* top of object index table */
int top_of_helpt; /* top of help index table */
struct time_info_data time_info; /* the infomation about the time */
struct weather_data weather_info; /* the infomation about the weather */
bool wizlock = FALSE; /* is the game wizlocked */
/* local procedures */
void boot_zones(void);
void setup_dir(FILE *fl, int room, int dir);
void allocate_room(int new_top);
void boot_world(void);
struct index_data *generate_indices(FILE *fl, int *top);
void build_player_index(void);
void char_to_store(struct char_data *ch, struct char_file_u *st);
void store_to_char(struct char_file_u *st, struct char_data *ch);
int is_empty(int zone_nr);
void reset_zone(int zone);
int file_to_string(char *name, char *buf);
void renum_world(void);
void renum_zone_table(void);
void reset_time(void);
void clear_char(struct char_data *ch);
/* external refs */
extern struct descriptor_data *descriptor_list;
void load_messages(void);
void weather_and_time ( int mode );
void assign_command_pointers ( void );
void assign_spell_pointers ( void );
void log(char *str);
int dice(int number, int size);
int number(int from, int to);
void boot_social_messages(void);
void boot_pose_messages(void);
void update_obj_file(void); /* In reception.c */
struct help_index_element *build_help_index(FILE *fl, int *num);
/*************************************************************************
* routines for booting the system *
*********************************************************************** */
/* body of the booting system */
void boot_db(void)
{
int i;
extern int no_specials;
log("Boot db -- BEGIN.");
log("Resetting the game time:");
reset_time();
log("Reading newsfile, credits, help-page, info and motd.");
file_to_string(NEWS_FILE, news);
file_to_string(CREDITS_FILE, credits);
file_to_string(MOTD_FILE, motd);
file_to_string(HELP_PAGE_FILE, help);
file_to_string(INFO_FILE, info);
file_to_string(WIZLIST_FILE, wizlist);
log("Opening mobile, object and help files.");
if (!(mob_f = fopen(MOB_FILE, "r")))
{
perror("boot");
exit(0);
}
if (!(obj_f = fopen(OBJ_FILE, "r")))
{
perror("boot");
exit(0);
}
if (!(help_fl = fopen(HELP_KWRD_FILE, "r")))
log(" Could not open help file.");
else
help_index = build_help_index(help_fl, &top_of_helpt);
log("Loading zone table.");
boot_zones();
log("Loading rooms.");
boot_world();
log("Renumbering rooms.");
renum_world();
log("Generating index tables for mobile and object files.");
mob_index = generate_indices(mob_f, &top_of_mobt);
obj_index = generate_indices(obj_f, &top_of_objt);
log("Renumbering zone table.");
renum_zone_table();
log("Generating player index.");
build_player_index();
log("Loading fight messages.");
load_messages();
log("Loading social messages.");
boot_social_messages();
log("Loading pose messages.");
boot_pose_messages();
log("Assigning function pointers:");
if (!no_specials)
{
log(" Mobiles.");
assign_mobiles();
log(" Objects.");
assign_objects();
log(" Room.");
assign_rooms();
}
log(" Commands.");
assign_command_pointers();
log(" Spells.");
assign_spell_pointers();
log("Updating characters with saved items:");
update_obj_file();
for (i = 0; i <= top_of_zone_table; i++)
{
fprintf(stderr, "Performing boot-time reset of %s (rooms %d-%d).\n",
zone_table[i].name,
(i ? (zone_table[i - 1].top + 1) : 0),
zone_table[i].top);
reset_zone(i);
}
reset_q.head = reset_q.tail = 0;
log("Boot db -- DONE.");
}
/* reset the time in the game from file */
void reset_time(void)
{
char buf[MAX_STRING_LENGTH];
struct time_info_data mud_time;
long beginning_of_time = 650336715;
struct time_info_data mud_time_passed(time_t t2, time_t t1);
time_info = mud_time_passed(time(0), beginning_of_time);
/*
FILE *f1;
long current_time;
long last_time;
long diff_time;
long diff_hours;
if (!(f1 = fopen(TIME_FILE, "r")))
{
perror("reset time");
exit(0);
}
fscanf(f1, "#\n");
fscanf(f1, "%D\n", &last_time);
fscanf(f1, "%d\n", &last_time_info.hours);
fscanf(f1, "%d\n", &last_time_info.day);
fscanf(f1, "%d\n", &last_time_info.month);
fscanf(f1, "%d\n", &last_time_info.year);
fclose(f1);
sprintf(buf," Last Gametime: %dH %dD %dM %dY.",
last_time_info.hours, last_time_info.day,
last_time_info.month, last_time_info.year);
log(buf);
current_time = time(0);
diff_time = current_time - last_time;
sprintf(buf," Time since last shutdown: %d.", diff_time);
log(buf);
time_info.hours = last_time_info.hours;
time_info.day = last_time_info.day;
time_info.month = last_time_info.month;
time_info.year = last_time_info.year;
diff_hours = diff_time/SECS_PER_MUD_HOUR;
diff_time = diff_time % SEC_PR_HOUR;
sprintf(buf," Real time lack : %d sec.", diff_time);
log(buf);
for(;diff_hours > 0; diff_hours--)
weather_and_time(0);
*/
switch(time_info.hours){
case 0 :
case 1 :
case 2 :
case 3 :
case 4 :
{
weather_info.sunlight = SUN_DARK;
break;
}
case 5 :
{
weather_info.sunlight = SUN_RISE;
break;
}
case 6 :
case 7 :
case 8 :
case 9 :
case 10 :
case 11 :
case 12 :
case 13 :
case 14 :
case 15 :
case 16 :
case 17 :
case 18 :
case 19 :
case 20 :
{
weather_info.sunlight = SUN_LIGHT;
break;
}
case 21 :
{
weather_info.sunlight = SUN_SET;
break;
}
case 22 :
case 23 :
default :
{
weather_info.sunlight = SUN_DARK;
break;
}
}
sprintf(buf," Current Gametime: %dH %dD %dM %dY.",
time_info.hours, time_info.day,
time_info.month, time_info.year);
log(buf);
weather_info.pressure = 960;
if ((time_info.month>=7)&&(time_info.month<=12))
weather_info.pressure += dice(1,50);
else
weather_info.pressure += dice(1,80);
weather_info.change = 0;
if (weather_info.pressure<=980)
weather_info.sky = SKY_LIGHTNING;
else if (weather_info.pressure<=1000)
weather_info.sky = SKY_RAINING;
else if (weather_info.pressure<=1020)
weather_info.sky = SKY_CLOUDY;
else weather_info.sky = SKY_CLOUDLESS;
}
/* update the time file */
void update_time(void)
{
FILE *f1;
extern struct time_info_data time_info;
long current_time;
return;
if (!(f1 = fopen(TIME_FILE, "w")))
{
perror("update time");
exit(0);
}
current_time = time(0);
log("Time update.");
fprintf(f1, "#\n");
fprintf(f1, "%d\n", current_time);
fprintf(f1, "%d\n", time_info.hours);
fprintf(f1, "%d\n", time_info.day);
fprintf(f1, "%d\n", time_info.month);
fprintf(f1, "%d\n", time_info.year);
fclose(f1);
}
/* generate index table for the player file */
void build_player_index(void)
{
int nr = -1, i;
struct char_file_u dummy;
FILE *fl;
if (!(fl = fopen(PLAYER_FILE, "rb+")))
{
perror("build player index");
exit(0);
}
for (; !feof(fl);)
{
fread(&dummy, sizeof(struct char_file_u), 1, fl);
if (!feof(fl)) /* new record */
{
/* Create new entry in the list */
if (nr == -1) {
CREATE(player_table,
struct player_index_element, 1);
nr = 0;
} else {
if (!(player_table = (struct player_index_element *)
realloc(player_table, (++nr + 1) *
sizeof(struct player_index_element))))
{
perror("generate index");
exit(0);
}
}
player_table[nr].nr = nr;
CREATE(player_table[nr].name, char,
strlen(dummy.name) + 1);
for (i = 0; *(player_table[nr].name + i) =
LOWER(*(dummy.name + i)); i++);
}
}
fclose(fl);
top_of_p_table = nr;
top_of_p_file = top_of_p_table;
}
/* generate index table for object or monster file */
struct index_data *generate_indices(FILE *fl, int *top)
{
int i = 0;
struct index_data *index;
long pos;
char buf[82];
rewind(fl);
for (;;)
{
if (fgets(buf, 81, fl))
{
if (*buf == '#')
{
/* allocate new cell */
if (!i) /* first cell */
CREATE(index, struct index_data, 1);
else
if (!(index =
(struct index_data*) realloc(index,
(i + 1) * sizeof(struct index_data))))
{
perror("load indices");
exit(0);
}
sscanf(buf, "#%d", &index[i].virtual);
index[i].pos = ftell(fl);
index[i].number = 0;
index[i].func = 0;
i++;
}
else
if (*buf == '$') /* EOF */
break;
}
else
{
perror("generate indices");
exit(0);
}
}
*top = i - 2;
return(index);
}
/* load the rooms */
void boot_world(void)
{
FILE *fl;
int room_nr = 0, zone = 0, dir_nr, virtual_nr, flag, tmp;
char *temp, chk[50];
struct extra_descr_data *new_descr;
world = 0;
character_list = 0;
object_list = 0;
if (!(fl = fopen(WORLD_FILE, "r")))
{
perror("fopen");
log("boot_world: could not open world file.");
exit(0);
}
do
{
fscanf(fl, " #%d\n", &virtual_nr);
temp = fread_string(fl);
if (flag = (*temp != '$')) /* a new record to be read */
{
allocate_room(room_nr);
world[room_nr].number = virtual_nr;
world[room_nr].name = temp;
world[room_nr].description = fread_string(fl);
if (top_of_zone_table >= 0)
{
fscanf(fl, " %*d ");
/* OBS: Assumes ordering of input rooms */
if (world[room_nr].number <= (zone ? zone_table[zone-1].top : -1))
{
fprintf(stderr, "Room nr %d is below zone %d.\n",
room_nr, zone);
exit(0);
}
while (world[room_nr].number > zone_table[zone].top)
if (++zone > top_of_zone_table)
{
fprintf(stderr, "Room %d is outside of any zone.\n",
virtual_nr);
exit(0);
}
world[room_nr].zone = zone;
}
fscanf(fl, " %d ", &tmp);
world[room_nr].room_flags = tmp;
fscanf(fl, " %d ", &tmp);
world[room_nr].sector_type = tmp;
world[room_nr].funct = 0;
world[room_nr].contents = 0;
world[room_nr].people = 0;
world[room_nr].light = 0; /* Zero light sources */
for (tmp = 0; tmp <= 5; tmp++)
world[room_nr].dir_option[tmp] = 0;
world[room_nr].ex_description = 0;
for (;;)
{
fscanf(fl, " %s \n", chk);
if (*chk == 'D') /* direction field */
setup_dir(fl, room_nr, atoi(chk + 1));
else if (*chk == 'E') /* extra description field */
{
CREATE(new_descr, struct extra_descr_data, 1);
new_descr->keyword = fread_string(fl);
new_descr->description = fread_string(fl);
new_descr->next = world[room_nr].ex_description;
world[room_nr].ex_description = new_descr;
}
else if (*chk == 'S') /* end of current room */
break;
}
room_nr++;
}
}
while (flag);
free(temp); /* cleanup the area containing the terminal $ */
fclose(fl);
top_of_world = --room_nr;
}
void allocate_room(int new_top)
{
struct room_data *new_world;
if (new_top)
{
if (!(new_world = (struct room_data *)
realloc(world, (new_top + 1) * sizeof(struct room_data))))
{
perror("alloc_room");
exit(0);
}
}
else
CREATE(new_world, struct room_data, 1);
world = new_world;
}
/* read direction data */
void setup_dir(FILE *fl, int room, int dir)
{
int tmp;
CREATE(world[room].dir_option[dir],
struct room_direction_data, 1);
world[room].dir_option[dir]->general_description =
fread_string(fl);
world[room].dir_option[dir]->keyword = fread_string(fl);
fscanf(fl, " %d ", &tmp);
if (tmp == 1)
world[room].dir_option[dir]->exit_info = EX_ISDOOR;
else if (tmp == 2)
world[room].dir_option[dir]->exit_info = EX_ISDOOR | EX_PICKPROOF;
else
world[room].dir_option[dir]->exit_info = 0;
fscanf(fl, " %d ", &tmp);
world[room].dir_option[dir]->key = tmp;
fscanf(fl, " %d ", &tmp);
world[room].dir_option[dir]->to_room = tmp;
}
void renum_world(void)
{
register int room, door;
for (room = 0; room <= top_of_world; room++)
for (door = 0; door <= 5; door++)
if (world[room].dir_option[door])
if (world[room].dir_option[door]->to_room != NOWHERE)
world[room].dir_option[door]->to_room =
real_room(world[room].dir_option[door]->to_room);
}
#ifdef NEW_ZONE_SYSTEM
void renum_zone_table(void)
{
int zone, comm;
for (zone = 0; zone <= top_of_zone_table; zone++)
for (comm = 0; zone_table[zone].cmd[comm].command != 'S'; comm++)
switch(zone_table[zone].cmd[comm].command)
{
case 'M':
zone_table[zone].cmd[comm].arg1 =
real_mobile(zone_table[zone].cmd[comm].arg1);
zone_table[zone].cmd[comm].arg3 =
real_room(zone_table[zone].cmd[comm].arg3);
break;
case 'O':
zone_table[zone].cmd[comm].arg1 =
real_object(zone_table[zone].cmd[comm].arg1);
if (zone_table[zone].cmd[comm].arg3 != NOWHERE)
zone_table[zone].cmd[comm].arg3 =
real_room(zone_table[zone].cmd[comm].arg3);
break;
case 'G':
zone_table[zone].cmd[comm].arg1 =
real_object(zone_table[zone].cmd[comm].arg1);
break;
case 'E':
zone_table[zone].cmd[comm].arg1 =
real_object(zone_table[zone].cmd[comm].arg1);
break;
case 'P':
zone_table[zone].cmd[comm].arg1 =
real_object(zone_table[zone].cmd[comm].arg1);
zone_table[zone].cmd[comm].arg3 =
real_object(zone_table[zone].cmd[comm].arg3);
break;
case 'D':
zone_table[zone].cmd[comm].arg1 =
real_room(zone_table[zone].cmd[comm].arg1);
break;
}
}
#else
void renum_zone_table(void)
{
int zone, comm;
for (zone = 0; zone <= top_of_zone_table; zone++)
for (comm = 0; zone_table[zone].cmd[comm].command != 'S'; comm++)
switch(zone_table[zone].cmd[comm].command)
{
case 'M':
zone_table[zone].cmd[comm].arg1 =
real_mobile(zone_table[zone].cmd[comm].arg1);
zone_table[zone].cmd[comm].arg3 =
real_room(zone_table[zone].cmd[comm].arg3);
break;
case 'O':
zone_table[zone].cmd[comm].arg1 =
real_object(zone_table[zone].cmd[comm].arg1);
if (zone_table[zone].cmd[comm].arg3 != NOWHERE)
zone_table[zone].cmd[comm].arg3 =
real_room(zone_table[zone].cmd[comm].arg3);
break;
case 'G':
zone_table[zone].cmd[comm].arg1 =
real_object(zone_table[zone].cmd[comm].arg1);
zone_table[zone].cmd[comm].arg2 =
real_mobile(zone_table[zone].cmd[comm].arg2);
break;
case 'E':
zone_table[zone].cmd[comm].arg1 =
real_object(zone_table[zone].cmd[comm].arg1);
zone_table[zone].cmd[comm].arg2 =
real_mobile(zone_table[zone].cmd[comm].arg2);
break;
case 'P':
zone_table[zone].cmd[comm].arg1 =
real_object(zone_table[zone].cmd[comm].arg1);
zone_table[zone].cmd[comm].arg2 =
real_object(zone_table[zone].cmd[comm].arg2);
break;
case 'D':
zone_table[zone].cmd[comm].arg1 =
real_room(zone_table[zone].cmd[comm].arg1);
break;
}
}
#endif
#ifdef NEW_ZONE_SYSTEM
/* load the zone table and command tables */
void boot_zones(void)
{
FILE *fl;
int zon = 0, cmd_no = 0, ch, expand, tmp;
char *check, buf[81];
if (!(fl = fopen(ZONE_FILE, "r")))
{
perror("boot_zones");
exit(0);
}
for (;;)
{
fscanf(fl, " #%*d\n");
check = fread_string(fl);
if (*check == '$')
break; /* end of file */
/* alloc a new zone */
if (!zon)
CREATE(zone_table, struct zone_data, 1);
else
if (!(zone_table = (struct zone_data *) realloc(zone_table,
(zon + 1) * sizeof(struct zone_data))))
{
perror("boot_zones realloc");
exit(0);
}
zone_table[zon].name = check;
fscanf(fl, " %d ", &zone_table[zon].top);
fscanf(fl, " %d ", &zone_table[zon].lifespan);
fscanf(fl, " %d ", &zone_table[zon].reset_mode);
/* read the command table */
cmd_no = 0;
for (expand = 1;;)
{
if (expand)
if (!cmd_no)
CREATE(zone_table[zon].cmd, struct reset_com, 1);
else
if (!(zone_table[zon].cmd =
(struct reset_com *) realloc(zone_table[zon].cmd,
(cmd_no + 1) * sizeof(struct reset_com))))
{
perror("reset command load");
exit(0);
}
expand = 1;
fscanf(fl, " "); /* skip blanks */
fscanf(fl, "%c",
&zone_table[zon].cmd[cmd_no].command);
if (zone_table[zon].cmd[cmd_no].command == 'S')
break;
if (zone_table[zon].cmd[cmd_no].command == '*')
{
expand = 0;
fgets(buf, 80, fl); /* skip command */
continue;
}
fscanf(fl, " %d %d %d",
&tmp,
&zone_table[zon].cmd[cmd_no].arg1,
&zone_table[zon].cmd[cmd_no].arg2);
zone_table[zon].cmd[cmd_no].if_flag = tmp;
if (zone_table[zon].cmd[cmd_no].command == 'M' ||
zone_table[zon].cmd[cmd_no].command == 'O' ||
zone_table[zon].cmd[cmd_no].command == 'E' ||
zone_table[zon].cmd[cmd_no].command == 'P' ||
zone_table[zon].cmd[cmd_no].command == 'D')
fscanf(fl, " %d", &zone_table[zon].cmd[cmd_no].arg3);
fgets(buf, 80, fl); /* read comment */
cmd_no++;
}
zon++;
}
top_of_zone_table = --zon;
free(check);
fclose(fl);
}
#else
/* load the zone table and command tables */
void boot_zones(void)
{
FILE *fl;
int zon = 0, cmd_no = 0, ch, expand;
char *check, buf[81];
if (!(fl = fopen(ZONE_FILE, "r")))
{
perror("boot_zones");
exit(0);
}
for (;;)
{
fscanf(fl, " #%*d\n");
check = fread_string(fl);
if (*check == '$')
break; /* end of file */
/* alloc a new zone */
if (!zon)
CREATE(zone_table, struct zone_data, 1);
else
if (!(zone_table = (struct zone_data *) realloc(zone_table,
(zon + 1) * sizeof(struct zone_data))))
{
perror("boot_zones realloc");
exit(0);
}
zone_table[zon].name = check;
fscanf(fl, " %d ", &zone_table[zon].top);
fscanf(fl, " %d ", &zone_table[zon].lifespan);
fscanf(fl, " %d ", &zone_table[zon].reset_mode);
/* read the command table */
cmd_no = 0;
for (expand = 1;;)
{
if (expand)
if (!cmd_no)
CREATE(zone_table[zon].cmd, struct reset_com, 1);
else
if (!(zone_table[zon].cmd =
(struct reset_com *) realloc(zone_table[zon].cmd,
(cmd_no + 1) * sizeof(struct reset_com))))
{
perror("reset command load");
exit(0);
}
expand = 1;
fscanf(fl, " "); /* skip blanks */
fscanf(fl, "%c",
&zone_table[zon].cmd[cmd_no].command);
if (zone_table[zon].cmd[cmd_no].command == 'S')
break;
if (zone_table[zon].cmd[cmd_no].command == '*')
{
expand = 0;
fgets(buf, 80, fl); /* skip command */
continue;
}
fscanf(fl, " %d %d %d",
&zone_table[zon].cmd[cmd_no].if_flag,
&zone_table[zon].cmd[cmd_no].arg1,
&zone_table[zon].cmd[cmd_no].arg2);
if (zone_table[zon].cmd[cmd_no].command == 'M' ||
zone_table[zon].cmd[cmd_no].command == 'O' ||
zone_table[zon].cmd[cmd_no].command == 'E' ||
zone_table[zon].cmd[cmd_no].command == 'D')
fscanf(fl, " %d", &zone_table[zon].cmd[cmd_no].arg3);
fgets(buf, 80, fl); /* read comment */
cmd_no++;
}
zon++;
}
top_of_zone_table = --zon;
free(check);
fclose(fl);
}
#endif
/*************************************************************************
* procedures for resetting, both play-time and boot-time *
*********************************************************************** */
/* read a mobile from MOB_FILE */
struct char_data *read_mobile(int nr, int type)
{
int i, skill_nr;
long tmp, tmp2, tmp3;
struct char_data *mob;
char chk[10], buf[100];
char letter;
i = nr;
if (type == VIRTUAL)
if ((nr = real_mobile(nr)) < 0)
{
sprintf(buf, "Mobile (V) %d does not exist in database.", i);
return(0);
}
fseek(mob_f, mob_index[nr].pos, 0);
CREATE(mob, struct char_data, 1);
clear_char(mob);
/***** String data *** */
mob->player.name = fread_string(mob_f);
mob->player.short_descr = fread_string(mob_f);
mob->player.long_descr = fread_string(mob_f);
mob->player.description = fread_string(mob_f);
mob->player.title = 0;
/* *** Numeric data *** */
fscanf(mob_f, "%d ", &tmp);
mob->specials.act = tmp;
SET_BIT(mob->specials.act, ACT_ISNPC);
fscanf(mob_f, " %d ", &tmp);
mob->specials.affected_by = tmp;
fscanf(mob_f, " %d ", &tmp);
mob->specials.alignment = tmp;
fscanf(mob_f, " %c \n", &letter);
if (letter == 'S') {
/* The new easy monsters */
mob->abilities.str = 11;
mob->abilities.intel = 11;
mob->abilities.wis = 11;
mob->abilities.dex = 11;
mob->abilities.con = 11;
fscanf(mob_f, " %D ", &tmp);
GET_LEVEL(mob) = tmp;
fscanf(mob_f, " %D ", &tmp);
mob->points.hitroll = 20-tmp;
fscanf(mob_f, " %D ", &tmp);
mob->points.armor = 10*tmp;
fscanf(mob_f, " %Dd%D+%D ", &tmp, &tmp2, &tmp3);